fix(sync): await Untersuchungen form navigation to prevent Fahrgenehmigungen page abort

sync/src/scraper.ts

@@ -984,8 +984,10 @@ async function scrapeMemberUntersuchungen(
   await selectAlleAnzeige(frame);
   const submitBtn = frame.locator('input[type="image"][src*="suchen"]');
   if (await submitBtn.count() > 0) {
-    await submitBtn.click();
-    await frame.waitForLoadState('networkidle').catch(() => {});
+    await Promise.all([
+      frame.waitForNavigation({ waitUntil: 'networkidle', timeout: 15000 }).catch(() => {}),
+      submitBtn.click(),
+    ]);
   }
 
   // Try to navigate to history/detail view if available